Hydrophobic modification of polyurethane foam for oil spill cleanup

被引：148

作者：

Li, Hua ^{[1
]}

Liu, Lifen ^{[1
]}

Yang, Fenglin ^{[1
]}

机构：

[1] Dalian Univ Technol, Sch Environm Sci & Technol, Key Lab Ind Ecol & Environm Engn, MOE, Dalian, Peoples R China

来源：

MARINE POLLUTION BULLETIN | 2012年 / 64卷 / 08期

基金：

中国国家自然科学基金;

关键词：

Oil pollution; Oil sorbent; Polyurethane foams; Oleophilic; ALKYL ACRYLATE COPOLYMERS; SURFACE MODIFICATION; SORPTION; ABSORBENCY; SORBENT;

D O I：

10.1016/j.marpolbul.2012.05.039

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

To improve the oleophilic/hydrophobic properties of polyurethane (PU) foams for oil spill cleanup, PU samples were modified by grafting with oleophilic monomer Lauryl methacrylate (LMA) in solvent and/or coating with LMA microspheres through heating and curing. Modified PU cubes were characterized by field emission scanning electron microscopy (FE-SEM) and Fourier transform infrared spectroscopy (FTIR). The water sorption of modified PU cubes was decreased by 24-50%, while the diesel or kerosene sorption of modified PU cubes was increased by 18-27%. In water-oil system, compared with blank PU cubes, the sorption capacity of PU cubes grafted with LMA was increased by 44% for diesel and 100% for kerosene. The sorption capacity of PU cubes coated with LMA microspheres was increased by 20% for diesel and 7% for kerosene. The solvent sorption of modified PU cubes could reach 50-69 g/g. The modified PU cubes can be effectively used in oil/solvent spill cleanup. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：1648 / 1653

页数：6

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